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105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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#ifdef BUILD_FOR_OSSFUZZ
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#define TESTFUNC_TYPE extern "C" int
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#define MOZ_FUZZING_INTERFACE_RAW(initFunc, testFunc, moduleName)
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#else
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#include "FuzzingInterface.h"
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#define TESTFUNC_TYPE static int
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#endif
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#include <stdint.h>
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#include <stdlib.h>
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#include "qcms.h"
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static void
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transform(qcms_profile* src_profile, qcms_profile* dst_profile, size_t size)
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{
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// qcms supports GRAY and RGB profiles as input, and RGB as output.
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uint32_t src_color_space = qcms_profile_get_color_space(src_profile);
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qcms_data_type src_type = size & 1 ? QCMS_DATA_RGBA_8 : QCMS_DATA_RGB_8;
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if (src_color_space == icSigGrayData) {
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src_type = size & 1 ? QCMS_DATA_GRAYA_8 : QCMS_DATA_GRAY_8;
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} else if (src_color_space != icSigRgbData) {
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return;
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}
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uint32_t dst_color_space = qcms_profile_get_color_space(dst_profile);
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if (dst_color_space != icSigRgbData) {
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return;
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}
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qcms_data_type dst_type = size & 2 ? QCMS_DATA_RGBA_8 : QCMS_DATA_RGB_8;
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qcms_intent intent = qcms_profile_get_rendering_intent(src_profile);
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// Firefox calls this on the display profile to increase performance.
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// Skip with low probability to increase coverage.
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if (size % 15) {
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qcms_profile_precache_output_transform(dst_profile);
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}
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qcms_transform* transform =
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qcms_transform_create(src_profile, src_type, dst_profile, dst_type, intent);
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if (!transform) {
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return;
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}
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static uint8_t src[] = {
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0x7F, 0x7F, 0x7F, 0x00, 0x00, 0x7F, 0x7F, 0xFF, 0x7F, 0x10, 0x20, 0x30,
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0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xB0, 0xBF, 0xEF, 0x6F,
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0x3F, 0xC0, 0x9F, 0xE0, 0x90, 0xCF, 0x40, 0xAF, 0x0F, 0x01, 0x60, 0xF0,
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};
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static uint8_t dst[sizeof(src) * 4]; // 4x in case of GRAY to RGBA
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int src_bytes_per_pixel = 4; // QCMS_DATA_RGBA_8
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if (src_type == QCMS_DATA_RGB_8) {
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src_bytes_per_pixel = 3;
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} else if (src_type == QCMS_DATA_GRAYA_8) {
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src_bytes_per_pixel = 2;
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} else if (src_type == QCMS_DATA_GRAY_8) {
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src_bytes_per_pixel = 1;
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}
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qcms_transform_data(transform, src, dst, sizeof(src) / src_bytes_per_pixel);
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qcms_transform_release(transform);
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}
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TESTFUNC_TYPE
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LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
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{
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qcms_enable_iccv4();
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qcms_profile* profile = qcms_profile_from_memory(data, size);
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if (!profile) {
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return 0;
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}
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qcms_profile* srgb_profile = qcms_profile_sRGB();
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if (!srgb_profile) {
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qcms_profile_release(profile);
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return 0;
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}
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transform(profile, srgb_profile, size);
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// Firefox only checks the display (destination) profile.
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if (qcms_profile_is_bogus(profile)) {
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goto release_profiles;
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};
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transform(srgb_profile, profile, size);
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release_profiles:
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qcms_profile_release(profile);
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qcms_profile_release(srgb_profile);
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return 0;
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}
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MOZ_FUZZING_INTERFACE_RAW(nullptr, LLVMFuzzerTestOneInput, Qcms);
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